MEDUSA. I. 



4) -- Veidileysafjord. June 26th 1902. Surface. "Diana", Ditlevsen. -- 32 specimens. 



5) Mouth of Hrafnsfjord. June 27th 1902. Vertical haul. "Diana", Ditlevsen. 10 specimens. 



6) - - Dyrefjord. June 3rd and 6th 1895. "Ingolf. 5 specimens. 



Faeroe Islands: 



7) -- Kvannesund. May 26th 1902. Surface. "Diana", Ditlevsen. -- 37 specimens. 



8) Sorvaag. May i3th 1902. Surface. "Diana", Ditlevsen. - i specimen. 



9) - Trangisvaag. May 3rd 1895. "Ingolf". 3 specimens. 



British Isles: 



10) -- Lat. 59oo' N., Long. 334' W., at the Orkney Islands. May 2ist 1908. Depth 66m. Surface. 

 "Thor" stat. 2 (08). 2 specimens. 



n) -- Lat. 5736' N., Long. 7O5' W., Little Minch, west of Scotland. May 27th 1908. Depth 90 m. 

 Yoiing-fish trawl, 65 m wire. "Thor" stat. 8(08). 12 specimens. 



The medusa Obelia nigra is previously known from the British Isles (Plymouth, Valencia Har- 

 bour, Port Erin, Firth of Clyde, according to Browne 1900, p. 721 and 1905 a, p. 770; M. & C. Delap 

 1905, p. 12), and from different localities at the Norwegian coast (Browne 1903, p. 16; Broch 1905, 

 p. 7). Moreover it is very common in the Danish waters. 



Obelia spp. 



Material: 



Greenland. Bergen da 1. -- 2 specimens. 



Iceland: 



Hesteyrifjord. June 25th 1902. Surface. "Diana", Ditlevsen. --2 specimens. 

 Skutilsfjord. June 5th 1892. Lundbeck. 4 specimens. 



Dyrefjord. May 3Oth June 3rd 1895. "Ingolf. - - Altogether 24 specimens, partly treated with 

 osmic acid; some of these specimens probably belong to Obelia m'gra. 



Danmark Strait, near Snefjeldsjokel on Iceland. June nth 1895. "Ingolf. - - I specimen. 



Agastra mira Hartlaub. 



Mayer 1910, Medusae of the World, p. 234. 



Bell somewhat higher than wide, I mm high ; gelatinous substance quite thick, with a deep, funnel-shaped depression 

 at the apex. No stomach. 4 narrow radial canals. Gonads irregularly lobated, sack-shaped evaginations on the middle part of 

 the radial canals. The eggs become mature in the entoderm. No tentacles, but 4 minute, pigmented bulbs. Colour of bulbs, 

 gonads, and canals dark-brown. Abortive medusa of the hydroid Campanularia Integra Me Gillivray (syn. C. caliculata Hincks). 



The medusa has been found in Valencia Harbour, Ireland, and at Heligoland. 



Eucope globosa (Forbes). 



Mayer 1910, Medusae of the World, p. 235. 



Bell thick-walled, slightly higher than a hemisphere, about 13 mm wide. Manubrium short, whit 4 simple, recurved 

 lips. 4 short, linear gonads, extending from the middle point of the 4 slender radial canals outwards towards the circular 



